Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

(*) If tan A =(x sin B )/(1-xcosB) and tan B =( y sin A) / (1-y cos A) then sin A / sin B =

(*)
If tan A =(x sin B )/(1-xcosB) and tan B =( y sin A) / (1-y cos A) then sin A / sin B =

Grade:11

1 Answers

Y RAJYALAKSHMI
45 Points
6 years ago
tanA = xsinB/(1 – xcosB) = > cotA = (1 – xcosB)/xsinB = 1/xsinB – cotB
cotA + cot B = 1/xsinB …......(1)
tanB = ysinA / (1 – ycosA) => cotB = (1 – ycosA)/ysinA = 1/ysinA – cotA
cotB + cotA  = 1/ysinA …......(2)
from (1) & (2), we get
1/xsinB = 1/ysinA
=> sinA/sinB = x/y
 
 
 

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free